Data Quiz - STAAR Review

Which statement is correct?

• When ordering the numbers in a data set to determine the median of the set, you do not list the repeated values.

• The median of a data set is the same whether you order the set from greatest to least or least to greatest.

• The median of a data set will always be a whole number.

• The median of a data set will always be a value in the data set.

Over 5 days this week, Silvia walked 3 miles, 5 miles, 3 miles, 4 miles and 6 miles. What is the mean number of miles Silvia walked each day?

• 4 miles

• 3.75 miles

• 4.2 miles

• 4.5 miles

The heights (in inches) of the tomato plants of 8 students in a science class are 4, 6, 6, 5, 4, 7, 5, and 6. What is the median height of the tomato plants?

• 5

• 6

• 4.5

• 5.5

The ages (in years) of the participants in a piano recital are 10, 12, 9, 13, 10, and 11. What is the mean age of the participants?

• 10.8

• 10.5

• 10

• 11

The heights of 11 basketball players, in inches, are represented by the box plot. What is the interquartile range of the data shown in the box plot above?

• 69

• 8

• 4

• 73

There is a value missing in the set of data. The range of the complete set of data is 24.

78, 81, 64, 80, 57, 78, 63, 64, 60, 65, _?_

Which of the following could be the missing value?

• 70

• 8

• 55

• 102

The box plot shows the number of homework problems Beth had daily in math the last six weeks.

What is the interquartile range of the data shown in the box plot above?

• 13

• 5

• 9

• 18

The following are Leroy’s test scores for the last grade period.

79, 81, 82, 84, 86, and 90

Which is the range in Leroy’s test scores?

• 10

• 12

• 11

• 14

Which set of data has a range of 14?

• 8, 6, 5, 11, 13, 19

• 8, 16, 25, 9, 10, 22

• 9, 2, 8, 20, 17, 23

• 88, 68, 58, 18, 83, 74

Which set of data has a median of 15?

• 3, 9, 6, 15, 14, 12, 11

• 21, 12, 15, 17, 6, 4, 19

• 18, 16, 15, 16, 12, 10

• 12, 13, 20, 24, 27, 15, 20